Big Data Specialist

3 weeks ago

Bengaluru, India Talent21 Management and Shared Services Pvt Ltd Full time

Duties and Responsibilities:

Manage, mentor and coach a team of up to 10 Database and Big Data and Administrators

Working exposure handling sizeable volume (in Gb’s) of data

Perform hands-on Big Data Administration on several client engagements.

  • in gathering requirements and contribute to the architecture design of Big Data client solutions for Marketing and Analytics
  • proficient in cluster administration tasks including patching, upgrades, backup and recovery, troubleshooting, performance diagnostics and tuning, and SQL optimization.
  • experience monitoring and reporting on Hadoop resource utilization and troubleshooting.
  • experience supporting code deployments (Spark, Hive, kafka etc.) into the Hadoop cluster.
  • in administration of Hadoop Big Data tools --experience working on batch processing and tools in the Hadoop technical stack (e.g., MapReduce, Yarn, Hive, presto, HDFS, Oozie)

Knowledge on MPP/DW appliance database like Greenplum, Teradata etc

Possess knowledge in replication to Disaster Recovery site, data encryption, backup storage and archiving procedures.

Work with client teams in the support of development and deployment of Big Data and database jobs

Work closely with IT, developers and competency teams to ensure that applications availability and performance are within agreed on service levels.

Contribute to structures design, capacity and cluster expansion planning.

Research and recommend automated approaches to Big Data and DW solution administration.

Enforce standards and best practices for availability, security, backup and recovery.

Contribute to developing and documenting Big Data and DW standards, guidelines and operational procedures.

Evaluate Big Data and DW technologies and Cloud Services and recommend to technical management.

Perform a variety of tasks relying on experience and judgment to manage time, plan and accomplish goals on several projects.

Manage on-call rotation for 24 x 7 x 365 support.


Qualifications

10+ years of general technology experience (preferably database administration)

At least 3+ years of experience managing Data Warehousing solutions on Netezza, Teradata, Greenplum, Vertica or similar.

4+ experience managing technical teams.

Cloud Data Warehouse database technologies AWS Redshift is must and Snowflake is a plus

Knowledge of Hadoop and or Big Data cloud services such AWS EMR or Cloudera

Ability to diagnose problems and resolve issues across various tiers (application, database, network)

Strong UNIX/Linux knowledge and understanding of DW MPP architecture, technologies and concepts.

  • to SDLC, Change Management, troubleshooting and development methodologies.
  • leadership and inter-personal skills to manage and mentor direct reports.
  • analytical and problem-solving skills
  • written and verbal communication skills


Education/Certification

B.S. in Computer Science or related discipline or equivalent work experience required. Hadoop and/or AWS certification is a plus.

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